IT1071308B - COORDINATE DATA DETERMINATION EQUIPMENT FOR VISUALIZATION SYSTEMS - Google Patents

COORDINATE DATA DETERMINATION EQUIPMENT FOR VISUALIZATION SYSTEMS

Info

Publication number
IT1071308B
IT1071308B IT20069/77A IT2006977A IT1071308B IT 1071308 B IT1071308 B IT 1071308B IT 20069/77 A IT20069/77 A IT 20069/77A IT 2006977 A IT2006977 A IT 2006977A IT 1071308 B IT1071308 B IT 1071308B
Authority
IT
Italy
Prior art keywords
coordinate data
data determination
visualization systems
determination equipment
equipment
Prior art date
Application number
IT20069/77A
Other languages
Italian (it)
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1071308B publication Critical patent/IT1071308B/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0386—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry for light pen
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542—Light pens for emitting or receiving light

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Position Input By Displaying (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
IT20069/77A 1976-02-13 1977-02-09 COORDINATE DATA DETERMINATION EQUIPMENT FOR VISUALIZATION SYSTEMS IT1071308B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/657,788 US4020281A (en) 1976-02-13 1976-02-13 Iterative coordinate data approximation system for photoemissive pixel pattern displays

Publications (1)

Publication Number Publication Date
IT1071308B true IT1071308B (en) 1985-04-02

Family

ID=24638664

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20069/77A IT1071308B (en) 1976-02-13 1977-02-09 COORDINATE DATA DETERMINATION EQUIPMENT FOR VISUALIZATION SYSTEMS

Country Status (7)

Country Link
US (1) US4020281A (en)
JP (1) JPS5299025A (en)
CA (1) CA1071782A (en)
DE (1) DE2702721C2 (en)
FR (1) FR2341162A1 (en)
GB (1) GB1587071A (en)
IT (1) IT1071308B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121283A (en) * 1977-01-17 1978-10-17 Cromemco Inc. Interface device for encoding a digital image for a CRT display
US4275395A (en) * 1977-10-31 1981-06-23 International Business Machines Corporation Interactive projection display system
US4326258A (en) * 1980-01-31 1982-04-20 Ncr Canada Ltd - Ncr Canada Ltee Method and apparatus for reducing the gray scale resolution of a digitized image
US4377810A (en) * 1980-12-04 1983-03-22 Data General Corporation Light pen detection circuit and method
US4396988A (en) * 1980-12-31 1983-08-02 International Business Machines Corporation Method and apparatus for automatically determining the X-Y intersection of two curves in a raster type display system including a buffer refresh memory
JPS58143381A (en) * 1982-02-19 1983-08-25 大日本スクリ−ン製造株式会社 Method and apparatus for controlling intensity of light emitted from graphic display
JPS58197271A (en) * 1982-05-11 1983-11-16 Ulvac Corp Sputtering method of tantalum or the like
JPS6074536A (en) * 1983-09-30 1985-04-26 Toshiba Corp Manufacturing method of semiconductor device
US4620288A (en) * 1983-10-26 1986-10-28 American Semiconductor Equipment Technologies Data handling system for a pattern generator
US4945497A (en) * 1988-12-20 1990-07-31 Sun Microsystems, Inc. Method and apparatus for translating rectilinear information into scan line information for display by a computer system
JP3015276B2 (en) * 1995-04-11 2000-03-06 株式会社ワコム Sensor coil scanning method for coordinate input device
US6222934B1 (en) * 1998-07-17 2001-04-24 Mustek Systems Inc. Test chart for determining the image quality of an optical scanner
US6373983B1 (en) * 1998-08-24 2002-04-16 Mustek Systems, Inc. Method for detecting the occurrence of missing lines on images generated by an optical scanner
JP2006059252A (en) * 2004-08-23 2006-03-02 Denso Corp Method, device and program for detecting movement, and monitoring system for vehicle
BR112021012323A2 (en) * 2019-03-19 2021-09-28 Michael John Flanagan MATERIAL FEEDING PROCESS TO MAGNETICALLY SEPARATE MAGNETIC AND NON-MAGNETIC PARTICLES BY MEANS OF A MAGNETIC ROLLER SEPARATOR, AND, MATERIAL FEEDING ASSEMBLY

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315229A (en) * 1963-12-31 1967-04-18 Ibm Blood cell recognizer
US3506875A (en) * 1967-06-28 1970-04-14 Hitachi Ltd Pen-tracking system in cathode-ray tube display equipment
GB1407248A (en) * 1971-08-29 1975-09-24 Fujitsu Ltd System for read out of the coordinates of a matrix type display
JPS5726369B2 (en) * 1973-09-06 1982-06-04
US3873974A (en) * 1973-10-12 1975-03-25 Geometric Data Corp Scanning system for location and classification of patterns
JPS5176929U (en) * 1974-12-15 1976-06-17

Also Published As

Publication number Publication date
US4020281A (en) 1977-04-26
FR2341162B1 (en) 1980-03-14
DE2702721C2 (en) 1983-04-07
GB1587071A (en) 1981-03-25
FR2341162A1 (en) 1977-09-09
JPS5299025A (en) 1977-08-19
CA1071782A (en) 1980-02-12
DE2702721A1 (en) 1977-08-18
JPS5653770B2 (en) 1981-12-21

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